255320003 has 2 divisors, whose sum is σ = 255320004. Its totient is φ = 255320002.

The previous prime is 255319951. The next prime is 255320029. The reversal of 255320003 is 300023552.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255320003 is a prime.

It is not a weakly prime, because it can be changed into another prime (255320063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127660001 + 127660002.

It is an arithmetic number, because the mean of its divisors is an integer number (127660002).

Almost surely, 2^255320003 is an apocalyptic number.

255320003 is a deficient number, since it is larger than the sum of its proper divisors (1).

255320003 is an equidigital number, since it uses as much as digits as its factorization.

255320003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 255320003 is about 15978.7359637739. The cubic root of 255320003 is about 634.3977202116.

Adding to 255320003 its reverse (300023552), we get a palindrome (555343555).

The spelling of 255320003 in words is "two hundred fifty-five million, three hundred twenty thousand, three".